Electronic sign enclosure having a rail



FIG. 1 illustrates a front view thereof;

FIG. 2 illustrates a left side view thereof;

FIG. 3 illustrates a right side view thereof;

FIG. 4 illustrates a back view thereof;

FIG. 5 illustrates a top view thereof;

FIG. 6 illustrates a bottom view thereof;

FIG. 7 illustrates a front isometric view thereof; and,

FIG. 8 illustrates a back isometric view thereof.

The ornamental design for an electronic sign enclosure having a rail, asshown.